import config from '@/config'
import { useUserStore } from '@/store/modules/user'
import { getToken } from '@/utils/auth'
import { showConfirm, tansParams, toast } from '@/utils/common'
import errorCode from '@/utils/errorCode'

const timeout = 10000
const baseUrl = config.baseUrl

function request(config) {
  const isToken = (config.headers || {}).isToken === false
  config.header = config.header || {}

  if (getToken() && !isToken) {
    config.header.Authorization = `Bearer ${getToken()}`
  }

  if (config.params) {
    let url = `${config.url}?${tansParams(config.params)}`
    url = url.slice(0, -1)
    config.url = url
  }

  return new Promise((resolve, reject) => {
    uni.request({
      method: config.method || 'get',
      timeout: config.timeout || timeout,
      url: config.baseUrl || baseUrl + config.url,
      data: config.data,
      header: config.header,
      dataType: 'json',
    }).then((response) => {
      const [error, res] = response
      if (error) {
        toast('后端接口连接异常')
        reject('后端接口连接异常')
        return
      }
      const code = res.data.code || 200
      const msg = errorCode[code] || res.data.msg || errorCode.default
      if (code === 401) {
        showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then((res) => {
          if (res.confirm) {
            const userStore = useUserStore()
            userStore.logoutAction().then(() => {
              uni.reLaunch({ url: '/pages/login' })
            })
          }
        })
        reject('无效的会话，或者会话已过期，请重新登录。')
      }
      else if (code === 500) {
        toast(msg)
        reject('500')
      }
      else if (code !== 200) {
        toast(msg)
        reject(code)
      }
      resolve(res.data)
    }).catch((error) => {
      let { message } = error
      if (message === 'Network Error') {
        message = '后端接口连接异常'
      }
      else if (message.includes('timeout')) {
        message = '系统接口请求超时'
      }
      else if (message.includes('Request failed with status code')) {
        message = `系统接口${message.substr(message.length - 3)}异常`
      }
      toast(message)
      reject(error)
    })
  })
}

export default request
